Here’s how much coffee is too much

Maricruz Casares
May 15, 2019

Furthermore, the study also found that lowered mortality in connection with coffee consumption was more prevalent in Asia and Europe than in the US.

In two new research papers, experts tackle the flawless amount of coffee to drink every day: two to four cups to improve life expectancy, but no more than five cups to avoid the adverse effects.

It also showed that moderate coffee consumption of two to four cups daily was associated with reduced mortality when compared to no coffee consumption at all.

A 2017 meta-analysis, published in the British Medical Journal (BMJ), found that drinking three to four cups of coffee a day was associated with a lower risk of death and developing heart disease compared to drinking no coffee at all. Additionally, some of the previous studies the researchers analyzed didn't include information about the types of coffee people drank or substances like sugar and milk they may have added to the brew.

In the latest meta-analysis that was published in The European Journal of Epidemiology, similar findings emerged.

According to this was much needed research down under because in Australia, one in six people are affected by cardiovascular disease.

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On this study Prof Hyppönen said, "In order to maintain a healthy heart and a healthy blood pressure, people must limit their coffees to fewer than six cups a day - based on our data six was the tipping point where caffeine started to negatively affect cardiovascular risk".

Investigating the association of long-term coffee consumption and cardiovascular disease, UniSA researchers Dr Ang Zhou and Professor Elina Hyppönen of the Australian Centre for Precision Health say their research confirms the point at which excess caffeine can cause high blood pressure, a precursor to heart disease.

In other words drinking coffee can play a role in helping people to live longer. "As with many things, it's all about moderation; overindulge and your health will pay for it".

They found also found that despite the ability of the caffeine-metabolizing gene CYP1A2 to process caffeine better and more quickly, it doesn't mean that individuals who carry this gene can consume more coffee without detrimental effects. Over 10 years of follow-up they noted 14,225 deaths.

On analysing the results researchers discovered that coffee consumption had an inverse association with all-cause mortality, "irrespective of age, overweight status, alcohol drinking, smoking status, and caffeine content of coffee". They wrote that "coffee drinking can be a part of a healthy diet". Their study was titled, "Tea, coffee, caffeine intake and the risk of cardio-metabolic outcomes: findings from a population with low coffee and high tea consumption".

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